[src/trunk]: src/sys/netinet get_tcppcb() is nearly always called upon entry ...

[rtr <rtr%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0f0fee60f35c
branches:  trunk
changeset: 797952:0f0fee60f35c
user:      rtr <rtr%NetBSD.org@localhost>
date:      Tue Aug 05 07:10:41 2014 +0000

description:
get_tcppcb() is nearly always called upon entry to usrreqs so
KASSERT(solocked(so)) inside it and remove the redundant KASSERT
everywhere we are using tcp_getpcb()

diffstat:

 sys/netinet/tcp_usrreq.c |  25 +++++--------------------
 1 files changed, 5 insertions(+), 20 deletions(-)

diffs (109 lines):

diff -r 9db9272b13cc -r 0f0fee60f35c sys/netinet/tcp_usrreq.c
--- a/sys/netinet/tcp_usrreq.c  Tue Aug 05 06:35:55 2014 +0000
+++ b/sys/netinet/tcp_usrreq.c  Tue Aug 05 07:10:41 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tcp_usrreq.c,v 1.196 2014/08/05 05:24:26 rtr Exp $     */
+/*     $NetBSD: tcp_usrreq.c,v 1.197 2014/08/05 07:10:41 rtr Exp $     */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -99,7 +99,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tcp_usrreq.c,v 1.196 2014/08/05 05:24:26 rtr Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tcp_usrreq.c,v 1.197 2014/08/05 07:10:41 rtr Exp $");
 
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -181,6 +181,9 @@
 tcp_getpcb(struct socket *so, struct inpcb **inp,
     struct in6pcb **in6p, struct tcpcb **tp)
 {
+
+       KASSERT(solocked(so));
+
        /*
         * When a TCP is attached to a socket, then there will be
         * a (struct inpcb) pointed at by the socket, and this
@@ -273,8 +276,6 @@
                return (0);
        }
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0) {
                splx(s);
                return error;
@@ -687,8 +688,6 @@
        struct tcpcb *tp = NULL;
        int s;
 
-       KASSERT(solocked(so));
-
        if (tcp_getpcb(so, &inp, &in6p, &tp) != 0)
                return;
 
@@ -707,8 +706,6 @@
        int error = 0;
        int s;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;
 
@@ -746,8 +743,6 @@
        int error = 0;
        int ostate = 0;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;
 
@@ -792,8 +787,6 @@
        int ostate = 0;
        int s;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;
 
@@ -836,8 +829,6 @@
        int error = 0;
        int ostate = 0;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;
 
@@ -925,8 +916,6 @@
        int ostate = 0;
        int s;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;
 
@@ -961,8 +950,6 @@
        int ostate = 0;
        int s;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;
 
@@ -991,8 +978,6 @@
        int ostate = 0;
        int s;
 
-       KASSERT(solocked(so));
-
        if ((error = tcp_getpcb(so, &inp, &in6p, &tp)) != 0)
                return error;